Data as of Nov 7, 2026
78.156.150.0/24
7 residential-proxy exits · 30 daysOptoNet Communication, spol. s.r.o.
Residential-proxy exits
Proxy exits
7
2.7% of its addresses · 30 days
Always-on exits
2
29% of its exits
Providers
45
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
4.0K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- Byteful
- CliProxy
- DataImpulse
- Decodo
- Evomi
- FastProxy
- GeekProxy
- Geonode
- GloryCloud
- IPCola
- IPFly
- IPPeak
- InfiniteProxies
- LudaxProxy
- MoMoProxy
- NextProxy
- NovProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- PrivateProxy
- Proxio
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyWing
- Proxying
- PuraRoute
- RainProxy
- RapidProxy
- ResiProxies
- RolaProxy
- Shifter
- SwiftProxy
- Thordata
- TrueProxies
- YumiProxy
- ZENPROXY_PREMIUM
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 78.156.128.0/19 | 8,192 | CZ-OPTONET-20070816 | OptoNet Communication, spol. s.r.o. (ORG-OCLS3-RIPE) · CZ | ALLOCATED PA | Aug 16, 2007 | abuse@ |
| └ 78.156.150.0/24 | 256 | CZ-SYSCORE_ | IP pool 78.156.150.80/29 for SYSCORE, Pacov, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 78.156.128.0/19
- Prefix
- 78.156.128.0/19
- Announced by
- AS43542 OptoNet Communication, spol. s.r.o.
- Type
- Internet provider
- Proxy exits
- 19
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- CZ-OPTONET-20070816
- Registrant
- OptoNet Communication, spol. s.r.o.
- RIR
- RIPE NCC
Origin network
AS43542
CZ
- Name
- OptoNet Communication, spol. s.r.o.
- Type
- Internet provider
- Registered
- Aug 20, 2007
- Domain
- optonet.cz
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 78.156.128.0/19
78.156.128.0/19
Routing history
- Pattern
- Stable
- First seen
- Sep 2007
- Current origin since
- Sep 2007 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 78.156.128.0/19 | AS43542 | /19 | RIPE | RPKI valid |
IRR
Route objects on 78.156.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS43542 | RIPE | CZ-OPTONET-20070816 | MNT-OPTONET | Sep 13, 2007 |
Whois
Registration for this announcement
- Range
- 78.
156. 128. 0/ 19 - Netname
- CZ-OPTONET-20070816
- Registrant
- OptoNet Communication, spol. s.r.o.
- Registrant country
- CZ
- Organization
- OptoNet Communication, spol. s.r.o. (ORG-OCLS3-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Aug 16, 2007
- Updated
- Dec 20, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 16, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
optonet. cz - Name
- ABUSE-C OptoNet Communication
- Handle
- AOC17-RIPE